Home / 2,306.28-3,182.22-1,311.24

Finding the Fourth Proportional to 2,306.28, 3,182.22 and 1,311.24

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Solution

The fourth proportional to 2,306.28, 3,182.22 and 1,311.24 is: 1,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.28 : 3,182.22 = 1,311.24 : x
  2. Step 2: Convert to fraction form
    2,306.28/3,182.22 = 1,311.24/x
  3. Step 3: Cross multiply
    2,306.28x = 3,182.22 × 1,311.24
  4. Step 4: Simplify right side
    2,306.28x = 4,172,654.15
  5. Step 5: Solve for x
    x = 4,172,654.15/2,306.28
  6. Step 6: Final answer
    x = 1,809.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.